i think its masterball iwis i can complete my pokedexhere is a question:the larges pokemon on all the versions hint:its a honnen water pokemon its easy question

~King of Dark~â™®C.0.Wâ™®My Past has determined your futureMy torrential pain will be your unspeakable sufferingYour days are numberedDon't fear the endPray for itand unlike your own mortalityMy thirst for vengeanceWILL NEVER DIE